Daily Puzzle is a great choice for those who like to spend their time doing puzzles. Log in every day so you don't miss a single new puzzle, and several levels of difficulty will help you both learn how to solve puzzles and really hone this skill. daily puzzle,puzzle game,brain training,mind games,puzzle challenge,problem solving,brain workout,puzzle levels,easy puzzles,hard puzzles,brain exercise,cognitive skills,puzzle collection,brain health,logic puzzles,visual puzzles,connect the pieces